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Origin of Unusual Excitonic Absorption and Emission from Colloidal Ag2S Nanocrystals: Ultrafast Photophysics and Solar Cell

MIR, WASIM J.; SWARNKAR, ABHISHEK; Sharma, Rituraj; Katti, Aditya; Adarsh, K. V.; NAG, ANGSHUMAN (American Chemical Society, 2015-10)

Colloidal Ag2S nanocrystals (NCs) typically do not exhibit sharp excitonic absorption and emission. We first elucidate the reason behind this problem by preparing Ag2S NCs from nearly monodisperse CdS NCs employing cation ...
Traditional Quantum Dots to Defect-Tolerant Cesium Lead Halide Perovskite Nanocrystals for Optoelectronics

SWARNKAR, ABHISHEK (Dept. of Chemistry, 2019-01)

Colloidal semiconductor nanocrystals, also known as quantum dots, exhibit promising optoelectronic properties because of their quantum size effect and solution processibility.One of the major challenges to bring these ...

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